// 
// Delegates.cs
//  
// Author:
//       Tomáš Vondráček <tomas.vondracek@gmail.com>
// 
// Copyright (c) 2010 Tomas Vondracek
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;

namespace Common.Interfaces.Descriptors
{	
	public delegate void DescriptorChanged (object sender, DescriptorChangedEventArgs args);	
	
	/// <summary>
	/// event arguments for DescriptorChanged delegate
	/// </summary>
	public class DescriptorChangedEventArgs : EventArgs
	{
		string propertyToUpdate;
		
		/// <summary>
		///  changed descriptor
		/// </summary>
		IDescriptor descriptor;
		
		/// <summary>
		/// property name which was changed
		/// </summary>
		public string PropertyToUpdate
		{
			get {
				return this.propertyToUpdate;
			}
		}
		
		/// <summary>
		///  changed descriptor
		/// </summary>	
		public IDescriptor Descriptor
		{
			get {
				return this.descriptor;
			}
		}
		
		public DescriptorChangedEventArgs (string propertyToUpdate, IDescriptor descriptor)
		{
			this.propertyToUpdate = propertyToUpdate;
			this.descriptor = descriptor;
		}

		public DescriptorChangedEventArgs (IDescriptor descriptor)
		{
			this.descriptor = descriptor;
		}

		public override string ToString ()
		{
			return string.Format ("[DescriptorChangedEventArgs: propertyToUpdate={0}, descriptor={1}]", propertyToUpdate, descriptor);
		}

	}
}